CN108218172A - Filter pipe formula septic tank up to standard - Google Patents
Filter pipe formula septic tank up to standard Download PDFInfo
- Publication number
- CN108218172A CN108218172A CN201810153951.0A CN201810153951A CN108218172A CN 108218172 A CN108218172 A CN 108218172A CN 201810153951 A CN201810153951 A CN 201810153951A CN 108218172 A CN108218172 A CN 108218172A
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- Prior art keywords
- sewage
- filter pipe
- pipe
- clear water
- tank
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/005—Black water originating from toilets
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
To further improve the treatment effeciency of septic tank up to standard, the present invention proposes filter pipe formula septic tank up to standard.Its main units includes excrement slag bath, collecting-tank, clear water reserviors and filter pipe pond；Wherein excrement slag bath is equipped with duct type grid, and collecting-tank is equipped with sewage pump, and clear water reserviors are equipped with backwashing pump；Filter pipe pond is located on excrement slag bath, collecting-tank and clear water reserviors, and filter pipe pond is divided into more than two lattice and two lattice, and one group and multigroup filter pipe are equipped with per lattice filter pipe pond, is interconnected between filter pipe by filter pipe connecting tube.Pollutant in sewage is removed in these facilities by bio-contact oxidation, anaerobic biochemical reaction, aerobic biochemical reaction, filtering and precipitation.
Description
Technical field
The invention belongs to water pollution control and sewage treatment fields, more particularly to a kind of to reach in line or reuse standard mistake
Filter duct type septic tank up to standard.
Background technology
Septic tank is a kind of important sanitary sewage pretreatment facility, but handles sanitary sewage using septic tank merely,
Related in line or reuse standard cannot be reached, it need to the in line or reuse of ability after advanced treating.And the sanitary sewage disperseed is deep
It spends treatment facility investment and operating cost is higher, therefore build sewage collecting pipe network to build concentration sewage again after the sewage collecting of dispersion
Treatment plant carries out advanced treating." septic tank+sewage collecting pipe network+centralized wastewater treatment factory " here it is current extensive utilization is raw
Sewage disposal pattern living.
The investment of existing sanitary sewage disposal pattern and operating cost include septic tank, sewage collecting pipe network and concentrate sewage
Three parts for the treatment of plant.If exploitation one kind can meet pretreatment and advanced treatment requirement simultaneously, sanitary sewage disposal is reached
To in line or reuse standard septic tank up to standard, then the investment of septic tank up to standard and operating cost can increase；If up to standardization excrement
Pond increases the Payment control of part in the range of the investment of sewage collecting pipe network and concentration sewage treatment plant and operating cost, then reaches
Marking septic tank economically has feasibility.
Septic tank up to standard can not only reduce investment and the operating cost of sewage disposal；And present mode dirt can be eliminated
Water harnessing effect is limited to the limitation of pipe network collection efficiency；Simultaneously sanitary sewage handle it is up to standard after can nearby Reuse on Environment,
Flush the toilet, road-cleaning, field irrigation etc.；In addition enter water body after sewage disposal is up to standard, water body purification ability can be utilized as early as possible, into
One step degradation of contaminant.
About investing.Required according to related specifications, septic tank hydraulic detention time for 12 ~ for 24 hours, from hydraulic retention when
Between see, septic tank meets the residence time requirement of most sewage treatment process, that is to say, that using existing septic tank
Volume can also build advanced treatment apparatus, and the bio-contact oxidation that biochemical, precipitation and filtering combine together is used to filter
Sedimentation basin will greatly save volume requirement.In addition if it is extensive, mass production, septic tank up to standard is installed on a large scale,
The investment cost of facility can reduce.
In terms of operating cost, wind turbine needed for septic tank up to standard, the equipment such as water pump are less, the consumption such as water power, medicament expense
Measure it is less, instrument appliance control require it is low, can be higher than existing septic tank in terms of operational management, but also have ready conditions can for increased expense
To control within the scope of sewage collecting pipe network and the operating cost of concentration sewage treatment plant, in addition may be used also if reuse
To generate certain economic value.
The main technique of existing septic tank up to standard uses bio-contact oxidation filtering settling pond, with filter pipe and its mistake
The it is proposed of device is filtered, the treatment effeciency of septic tank up to standard can further improve, therefore propose filter pipe formula septic tank up to standard.
Invention content
To further improve the treatment effeciency of septic tank up to standard, the present invention proposes filter pipe formula septic tank up to standard.It is led
Structures is wanted to include excrement slag bath, collecting-tank, clear water reserviors and filter pipe pond；Wherein excrement slag bath is equipped with duct type grid；Collecting-tank
Equipped with sewage pump；Clear water reserviors are equipped with backwashing pump；Filter pipe pond is located on excrement slag bath, collecting-tank and clear water reserviors, filtering
Pipeline pond is divided into more than two lattice and two lattice, and one group and one group or more filter pipe, each filter pipe are equipped with per lattice filter pipe pond
Between be interconnected by filter pipe connecting tube；Pollutant in sewage in these facilities by bio-contact oxidation, detest
Oxygen biochemical reaction, aerobic biochemical reaction, filtering and precipitation removal.
Treated sewage of the present invention includes the following steps.
（1）Grid removes the gred
Sewage enters excrement slag bath through water inlet pipe, and bulky grain pollutant is intercepted by duct type grid in excrement slag bath, remaining sewage is worn
Piping formula grid enters collecting-tank.
（2）Processing procedure
Sewage tube valve II is opened, sewage pipe valve I is closed, opens sludge tube valve II, close sludge valve I, close clear water
Tube valve II opens water pipe valve I；
The sewage of collecting-tank is delivered to filter pipe pond II through sewage pump；
Aerobic biochemical reaction occurs in filter pipe pond II for sewage, and a part is back to collecting-tank through sludge pipe II and anoxic occurs
Biochemical reaction, a part are back to excrement slag bath and anaerobic biochemical reaction occur, and a part filters clear next time in liquid level difference effect
Water enters in filter pipe II；
Primary filtering clear water gravity flow enters in filter pipe I, and clear water secondary filter enters filter pipe pond I under liquid level difference effect
Interior, clear water flow to clear water reserviors certainly through water pipe I.
（3）Backwash
It is dirty to open sewage pipe valve I, closing sewage tube valve II, opening backwash tube valve II, closing backwash tube valve I, opening
Mud tube valve II closes sludge pipe valve I, closes water pipe valve I, closes clear water tube valve II, by backwashing pump by clear water reserviors
Clear water is delivered to filter pipe pond II by backwash tube and is backwashed, and backwashing wastewater enters collecting-tank and excrement slag bath.
（4）Exchange filtering order
Opening sewage pipe valve I closes sewage tube valve II, closes sludge tube valve II, open sludge pipe valve I, close clearly
Aqueduct valve I opens clear water tube valve II,
The sewage of collecting-tank is delivered to filter pipe pond I through sewage pump；
Aerobic biochemical reaction occurs in filter pipe pond I for sewage, and a part is back to collecting-tank through sludge pipe and anoxic life occurs
Change reaction, anaerobic biochemical reaction occurs for a part of sludge reflux to excrement slag bath, and a part filters next time in liquid level difference effect
Clear water enters in filter pipe I；
Primary filtering clear water gravity flow enters in filter pipe II, and clear water secondary filter enters filter pipe pond under liquid level difference effect
In II, clear water flow to clear water reserviors certainly through water pipe II.
Processing procedure, backwash and exchange filtering order periodically switch.
If sludge-tank, sludge-tank and excrement slag bath unicom, sludge-tank supernatant enter excrement slag bath by overflow.
Sewage pipe and backwash tube are changed by movement pipeline to different filter pipe pond water fillings using removable pipeline.
Backwash tube connects filter pipe and its inside is backwashed, and to improve backwash effect, is connected in filter pipe
Guan Shangshe valves.
For the biochemical effects in intensive filtration pipeline, filler-reinforced bio-contact oxidation reaction effect is set on filter pipe
Fruit since filter cloth also has the function of filler in itself, does not need to then add other fillers when filter cloth meets bio-film colonization requirement.
Aerator is set in filter pipe pond.
Sewage pump is substituted using air-lift device.
For the smaller project of sewage quantity, by excrement slag bath, collecting-tank, clear water reserviors, filter pipe pond and other affiliated facilities
Becoming one sewage disposal device.For the project that sewage quantity is larger, excrement slag bath, collecting-tank, clear water reserviors are made civil engineering
Structure, by filter pipe pond and other affiliated facility becoming one sewage disposal devices.
Filter pipe formula septic tank up to standard of the present invention, the advantageous effect compared with existing septic tank up to standard are.
1st, bio-contact oxidation filtering settling pond is substituted using filter pipe and its filter device, its main feature is that pipeline is stubborn
It is more flexible.
2nd, increased on the basis of existing interior filter pipe and its filter device into outgoing operation it is a kind of it is outer into it is interior go out
Filter type.
3rd, it is the facilities such as excrement slag bath, collecting-tank, clear water reserviors, duct type grid, filter pipe and filter pipe pond are organic
Fusion is in a system.
4th, the present invention prevents the blockage problem of filtration system by backwashing and exchanging filtering order.
5th, the work(such as of the invention sewage lifting, sludge reflux, mixed-liquor return that a sewage pump is only set to complete
Energy, a full set of main energy consumption equipment of facility only one, sewage disposal operating cost are low.
6th, sewage pump is substituted using air-lift device, there is certain oxygenic aeration.
7th, septic tank up to standard increases certain investment and operating cost than existing septic tank, but change it is existing " septic tank+
Sewage collecting pipe network+centralized wastewater treatment factory " sewage disposal pattern reduces pipe network and sewage treatment plant's investment.
Description of the drawings
Fig. 1 is the horizontal layout schematic diagram of the present invention；
Fig. 2 is the A-A sectional views of the present invention；
Wherein, water inlet pipe 1, excrement slag bath 2, sewage pipe 3, duct type grid 4, sewage pump 5, collecting-tank 6, clear water reserviors 7, backwash
Pump 8, backwash tube 9, outlet pipe 10, I 11-1 of filter pipe pond, II 11-2 of filter pipe pond, I 12-1 of filter pipe, filter pipe
II 12-2, backwash tube valve I 13-1, backwash tube valve II 13-2 sewage pipe valve I 14-1, II 14-2 of sewage tube valve, ventilation
Pipe 15, filter pipeline pond partition wall 16, filter pipe communicating pipe 17, I 18-1 of water pipe, II 18-2 of water pipe, water pipe valve I
19-1, II 19-2 of clear water tube valve, sludge pipe valve I 20-1, II 20-2 of sludge tube valve, I 21-1 of sludge pipe, sludge pipe II
21-2。
Specific embodiment
Filter pipe formula septic tank up to standard.Its main units includes excrement slag bath 2, collecting-tank 6, clear water reserviors 7 and screen pipe
Road pond 11；Wherein excrement slag bath 2 is equipped with duct type grid 4；Collecting-tank 6 is equipped with sewage pump 5；Clear water reserviors 7 are equipped with backwashing pump 8；
Filter pipe pond 11 is located on excrement slag bath 2, collecting-tank 6 and clear water reserviors 7, and filter pipe pond 11 is divided to be more than two lattice and two lattice,
One group and one group or more filter pipe 12 is equipped with per lattice filter pipe pond 11, passes through filter pipe connecting tube between filter pipe 12
17 are interconnected；Pollutant in sewage is anti-by bio-contact oxidation, anaerobic biological in filter pipe formula septic tank up to standard
It answers, aerobic biochemical reacts, filtering and precipitation remove.
Treated sewage of the present invention includes the following steps.
（1）Grid removes the gred
Sewage enters excrement slag bath 2 through water inlet pipe 1, and bulky grain pollutant is intercepted by duct type grid 4 in excrement slag bath 3, remaining is dirty
Water passes through duct type grid 4 to enter collecting-tank 6.
（2）Processing procedure
II 14-2 of sewage tube valve is opened, sewage pipe valve I 14-1 is closed, opens II 20-2 of sludge tube valve, closes sludge valve
I 20-1 of door, it closes II 19-2 of clear water tube valve, open water pipe valve I 19-1；
The sewage of collecting-tank 6 is delivered to II 11-2 of filter pipe pond through sewage pump 5；
Aerobic biochemical reaction occurs in II 11-2 of filter pipe pond for sewage, and a part is back to collecting-tank through II 21-2 of sludge pipe
6 occur anoxic biochemical reaction, and anaerobic biochemical reaction occurs for a part of sludge reflux to excrement slag bath 2, and a part is acted in liquid level difference
The clear water filtered next time enters in II 12-2 of filter pipe；
Primary filtering clear water gravity flow enters in I 12-1 of filter pipe, and clear water secondary filter enters screen pipe under liquid level difference effect
In I 11-1 of road pond, clear water flow to clear water reserviors 7 certainly through I 18-1 of water pipe.
（3）Backwash
Sewage pipe valve I 14-1 is opened, II 14-2 of sewage tube valve is closed, opens II 13-2 of backwash tube valve, closes backwash tube
Valve I 13-1, II 20-2 of sludge tube valve is opened, sludge pipe valve I 20-1 is closed, closes water pipe valve I 19-1, closes clearly
7 clear water of clear water reserviors is delivered to II 11-2 of filter pipe pond by backwash tube 9 by backwashing pump 8 and carried out instead by II 19-2 of aqueduct valve
It rinses, backwashing wastewater enters collecting-tank 6 and excrement slag bath 2.
（4）Exchange filtering order
Sewage pipe valve I 14-1 is opened, II 14-2 of sewage tube valve is closed, closes II 20-2 of sludge tube valve, opens sludge pipe
Valve I 20-1, it closes water pipe valve I 19-1, open II 19-2 of clear water tube valve,
The sewage of collecting-tank 6 is delivered to I 11-1 of filter pipe pond through sewage pump 5；
Aerobic biochemical reaction occurs in I 11-1 of filter pipe pond for sewage, and a part is back to collecting-tank 6 through sludge pipe and occurs to lack
Anaerobic biochemical reaction occurs for oxygen biochemical reaction, a part of sludge reflux to excrement slag bath 2, and a part acts on mistake next time in liquid level difference
The clear water of filter enters in I 12-1 of filter pipe；
Primary filtering clear water gravity flow enters in II 12-2 of filter pipe, and clear water secondary filter enters screen pipe under liquid level difference effect
In II 11-2 of road pond, clear water flow to clear water reserviors 7 certainly through II 18-2 of water pipe.
Processing procedure, backwash and exchange filtering order periodically switch.
Claims (7)
1. filter pipe formula septic tank up to standard, it is characterised in that main units include excrement slag bath（2）, collecting-tank（6）, clear water reserviors
（7）With filter pipe pond（11）；Wherein excrement slag bath（2）Equipped with duct type grid（4）；Collecting-tank（6）Equipped with sewage pump
（5）；Clear water reserviors（7）Equipped with backwashing pump（8）；Filter pipe pond（11）Positioned at excrement slag bath（2）, collecting-tank（6）And clear water reserviors（7）It
On, filter pipe pond（11）It is divided into more than two and two lattice, per lattice filter pipe pond（11）Equipped with one group and one group or more screen pipe
Road（12）, filter pipe（12）Between pass through filter pipe connecting tube（17）It is interconnected；Pollutant in sewage is in screen pipe
It is gone in road formula septic tank up to standard by bio-contact oxidation, anaerobic biochemical reaction, aerobic biochemical reaction, filtering and precipitation
It removes.
2. filter pipe formula septic tank up to standard as described in claim 1, it is characterised in that treated sewage of the present invention includes following
Step：
（1）Grid removes the gred
Sewage is through water inlet pipe（1）Into excrement slag bath（2）, bulky grain pollutant is by duct type grid（4）It intercepts in excrement slag bath（3）
Interior, remaining sewage passes through duct type grid（4）Into collecting-tank（6）；
（2）Processing procedure
Open sewage tube valve II（14-2）, close sewage pipe valve I（14-1）, open sludge tube valve II（20-2）, close
Sludge valve I（20-1）, close clear water tube valve II（19-2）, open water pipe valve I（19-1）；
Collecting-tank（6）Sewage through sewage pump（5）It is delivered to filter pipe pond II（11-2）；
Sewage is in filter pipe pond II（11-2）Interior generation aerobic biochemical reaction, a part is through sludge pipe II（21-2）It is back to collection
Anoxic biochemical reaction, a part of sludge reflux to excrement slag bath occur for pond 6（2）Anaerobic biochemical reaction occurs, a part is in liquid level
The clear water that difference effect is filtered next time enters filter pipe II（12-2）It is interior；
Primary filtering clear water gravity flow enters filter pipe I（12-1）Interior, clear water secondary filter enters filtering under liquid level difference effect
Pipeline pond I（11-1）Interior, clear water is through water pipe I（18-1）From flowing to clear water reserviors（7）；
（3）Backwash
Open sewage pipe valve I（14-1）, close sewage tube valve II（14-2）, open backwash tube valve II（13-2）, close
Backwash tube valve I（13-1）, open sludge tube valve II（20-2）, close sludge pipe valve I（20-1）, close clear water tube valve
Ⅰ（19-1）, close clear water tube valve II（19-2）；
By backwashing pump（8）By clear water reserviors（7）Clear water passes through backwash tube（9）It is delivered to filter pipe pond II（11-2）It recoils
It washes, backwashing wastewater enters collecting-tank（6）And excrement slag bath（2）；
（4）Exchange filtering order
Open sewage pipe valve I（14-1）, close sewage tube valve II（14-2）, close sludge tube valve II（20-2）, open
Sludge pipe valve I（20-1）, close water pipe valve I（19-1）, open clear water tube valve II（19-2）；
Collecting-tank（6）Sewage through sewage pump（5）It is delivered to filter pipe pond I（11-1）；
Sewage is in filter pipe pond I（11-1）Interior generation aerobic biochemical reaction, a part are back to collecting-tank through sludge pipe（6）Hair
Raw anoxic biochemical reaction, a part of sludge reflux to excrement slag bath（2）Anaerobic biochemical reaction occurs, a part is under liquid level difference effect
The clear water once filtered enters filter pipe I（12-1）It is interior；
Primary filtering clear water gravity flow enters filter pipe II（12-2）Interior, clear water secondary filter enters filtering under liquid level difference effect
Pipeline pond II（11-2）Interior, clear water is through water pipe II（18-2）From flowing to clear water reserviors（7）；
Processing procedure, backwash and exchange filtering order periodically switch.
3. filter pipe formula septic tank up to standard as described in claim 1, it is characterised in that set sludge-tank, sludge-tank and excrement slag bath
（2）Unicom, sludge-tank supernatant enter excrement slag bath by overflow（2）.
4. filter pipe formula septic tank up to standard as described in claim 1, it is characterised in that sewage pipe（3）And backwash tube（9）It adopts
With removable pipeline, changed by movement pipeline to different filter pipe ponds（11）Water filling；Backwash tube（9）Connect filter pipe
（12）Its inside is backwashed, to improve backwash effect, in filter pipe（12）Valve is set in connecting tube.
5. filter pipe formula septic tank up to standard as described in claim 1, it is characterised in that be intensive filtration pipeline（12）Interior
Biochemical effects, in filter pipe（12）On set filler-reinforced bio-contact oxidation reaction effect, due to filter cloth in itself also have fill out
The effect of material does not need to then add other fillers when filter cloth meets bio-film colonization requirement.
6. filter pipe formula septic tank up to standard as described in claim 1, it is characterised in that in filter pipe pond（11）Inside set exposure
Device of air substitutes sewage pump using air-lift device（5）, air-lift device and aerator share wind turbine.
7. filter pipe formula septic tank up to standard as described in claim 1, it is characterised in that, will for the smaller project of sewage quantity
Excrement slag bath（2）, collecting-tank（6）, clear water reserviors（7）, filter pipe pond（11）And at other affiliated facility becoming one sewage
Manage equipment；For the project that sewage quantity is larger, by excrement slag bath（2）, collecting-tank（6）, clear water reserviors（7）Civil engineering structure is made, incited somebody to action
Chimney filter road pond（11）And other affiliated facility becoming one sewage disposal devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153951.0A CN108218172A (en) | 2018-02-22 | 2018-02-22 | Filter pipe formula septic tank up to standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153951.0A CN108218172A (en) | 2018-02-22 | 2018-02-22 | Filter pipe formula septic tank up to standard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108218172A true CN108218172A (en) | 2018-06-29 |
Family
ID=62662053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810153951.0A Pending CN108218172A (en) | 2018-02-22 | 2018-02-22 | Filter pipe formula septic tank up to standard |
Country Status (1)
| Country | Link |
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| CN (1) | CN108218172A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003166732A (en) * | 2001-12-03 | 2003-06-13 | Matsushita Electric Ind Co Ltd | Air cleaning device |
| CN102897975A (en) * | 2012-10-12 | 2013-01-30 | 常州大学 | Sewage treatment method of town blocks |
| CN105129969A (en) * | 2015-08-31 | 2015-12-09 | 罗琼 | Periphery filtering effluent biochemistry sedimentation tank |
| CN105668792A (en) * | 2016-03-07 | 2016-06-15 | 邱学尧 | Bio-contact oxidation filter sedimentation tank |
| CN205907132U (en) * | 2016-07-25 | 2017-01-25 | 厦门嵩湖环保股份有限公司 | Synthesize effluent disposal system |
| CN107265816A (en) * | 2017-07-26 | 2017-10-20 | 广州市卓冠环保科技有限公司 | A kind of height processing septic tank |
| CN116022888A (en) * | 2023-01-18 | 2023-04-28 | 青岛海尔施特劳斯水设备有限公司 | Water purifier |
-
2018
- 2018-02-22 CN CN201810153951.0A patent/CN108218172A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003166732A (en) * | 2001-12-03 | 2003-06-13 | Matsushita Electric Ind Co Ltd | Air cleaning device |
| CN102897975A (en) * | 2012-10-12 | 2013-01-30 | 常州大学 | Sewage treatment method of town blocks |
| CN105129969A (en) * | 2015-08-31 | 2015-12-09 | 罗琼 | Periphery filtering effluent biochemistry sedimentation tank |
| CN105668792A (en) * | 2016-03-07 | 2016-06-15 | 邱学尧 | Bio-contact oxidation filter sedimentation tank |
| CN205907132U (en) * | 2016-07-25 | 2017-01-25 | 厦门嵩湖环保股份有限公司 | Synthesize effluent disposal system |
| CN107265816A (en) * | 2017-07-26 | 2017-10-20 | 广州市卓冠环保科技有限公司 | A kind of height processing septic tank |
| CN116022888A (en) * | 2023-01-18 | 2023-04-28 | 青岛海尔施特劳斯水设备有限公司 | Water purifier |
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